Station operated in cooperation with Consumers Energy and the Michigan Department of Environment, Great Lakes and Energy.
| Min (1936) | 25th percen- tile | Median | Mean | 75th percen- tile | Most Recent Instantaneous Value Feb 20 | Max (1984) |
|---|---|---|---|---|---|---|
| 550 | 900 | 987 | 1000 | 1100 | 1240 | 1540 |